Tianjin, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Agriculture & Food, Chemicals, Construction & Decoration, Health & Medicine, Industrial ...
OEM/ODM Service
Sample Available

Sodium Sulfite, Natrium Sulfurosum, Sulfite De Sodium manufacturer / supplier in China, offering with Manufacture ISO of Sodium Sulfite 97%, Manufacture with ISO Certificate Ammonium Chloride 99.5%, Manufacture with ISO and Coa Sodium Hydrosulfide 70% and so on.

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Supplier Homepage Products Food Additive with Manufacture ISO of Sodium Sulfite 97%

with Manufacture ISO of Sodium Sulfite 97%

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Purchase Qty. / Reference FOB Price
21-30 Tons US $440
31-39 Tons US $430
40+ Tons US $400
Port: Qingdao, China
Production Capacity: 20000mts /Year
Payment Terms: L/C, T/T, D/P
Classification: Barium Hydroxide
Appearance: Pearls
Grade Standard: Food Grade
Solubleness: Soluble Alkali
Ionization Capacity: Strong Alkali
Quality: Superior Grade

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Basic Info

Model NO.: 97%
Usage: Dietary Alkali
Trademark: TIGER
Transport Package: 25kg Per Bag
Specification: 25KG
Origin: China

Product Description

1. Chemical Analysis 
Na2SO3 %               ≥ 97.0 %97.37%
Fe %               ≤ 0.003%                0.003%
Water insoluble matter               ≤ 0.02%0.02%
Na2CO3               ≤ 0.10%0.10%
Na2SO4               ≤ 2.5%2.5%
2. Application 
Pulp and paper industryLignin removal agent
Water treatmentOxygen scavenger agent.
Photographic industryTo protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions.
Textile industryBleaching, desulfurizing and dechlorinating agent
Chemical manufacturingSulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate.
Leather tradeThe sulfitization of tanning extracts
Other applications froth flotation of ores
 oil recovery
 food preservatives
 making dyes
 It is used in the purification of TNT for military use.

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